1. Division of Cardiology, University Health Network and Mount Sinai Hospital , Toronto, ON , Canada
2. Faculty of Kinesiology and Physical Education, University of Toronto , Toronto, ON , Canada
3. Department of Human Health and Nutritional Sciences, University of Guelph , Guelph, ON , Canada
4. Department of Medicine, University of Toronto , Toronto, ON , Canada
5. Toronto Rehabilitation Institute, University Health Network , Toronto, ON , Canada